Home / 19,589.76-27,028.62-12,523.32

Finding the Fourth Proportional to 19,589.76, 27,028.62 and 12,523.32

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Solution

The fourth proportional to 19,589.76, 27,028.62 and 12,523.32 is: 17,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.76 : 27,028.62 = 12,523.32 : x
  2. Step 2: Convert to fraction form
    19,589.76/27,028.62 = 12,523.32/x
  3. Step 3: Cross multiply
    19,589.76x = 27,028.62 × 12,523.32
  4. Step 4: Simplify right side
    19,589.76x = 338,488,057.42
  5. Step 5: Solve for x
    x = 338,488,057.42/19,589.76
  6. Step 6: Final answer
    x = 17,278.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.